Home / 39,009.96-58,508.28-12,708.72

Finding the Fourth Proportional to 39,009.96, 58,508.28 and 12,708.72

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Solution

The fourth proportional to 39,009.96, 58,508.28 and 12,708.72 is: 19,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,009.96 : 58,508.28 = 12,708.72 : x
  2. Step 2: Convert to fraction form
    39,009.96/58,508.28 = 12,708.72/x
  3. Step 3: Cross multiply
    39,009.96x = 58,508.28 × 12,708.72
  4. Step 4: Simplify right side
    39,009.96x = 743,565,348.20
  5. Step 5: Solve for x
    x = 743,565,348.20/39,009.96
  6. Step 6: Final answer
    x = 19,060.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.